This is our Pro Fiber Restore hair care mask for medium to thick, damaged hair. Hair appears smooth as if restored. The hair fibres look shiny and feel soft, smooth and lightweight from root-to-tip. Use it after the Pro Fiber Restore Shampoo and every 4th wash substitute Pro Fiber Restore Masque for the Re-charge Booster to extend the long-lasting resurfacing effect of for up to 6 weeks. Also try our Pro Fiber Restore Leave-in for hair that is protected from heat.